What parts does a microcomputer usually consist of?

Microcomputer consists of five major parts: arithmetic unit, controller, memory, input device and output device.

The memory is divided into internal memory and external memory; usually we refer to input devices and output devices as peripheral devices; and the arithmetic unit and controller are also called central processing unit - CPU (Central Processing) Unit).

Controller (Control): It is the central nervous system of the entire computer. Its function is to interpret the control information specified by the program, control according to its requirements, schedule programs, data, addresses, and coordinate the work of various parts of the computer. Access to memory and peripherals, etc.

Operator (Datapath): The function of the operator is to perform various arithmetic operations and logical operations on data, that is, to process the data.

Memory (Memory): The function of memory is to store programs, data, various signals, commands and other information, and to provide this information when needed.

Input (Input system): The input device is an important part of the computer. The input device and the output device are collectively called external devices, referred to as peripherals. The function of the input device is to convert programs, original data, text, characters , control commands or data collected on site are input into the computer.

Output (Output system): Output device and input device are also important parts of the computer. It combines the intermediate results or final results of the external computer, various data symbols and text or various controls in the computer. Signals and other information are output.

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